Hourly Weather Forecast - Johnston, IA

12 AM
41°F
10%
7mph
S
Mostly Clear
Humidity
85%
Feels like
37°F
Dew Point
37°F
1 AM
40°F
10%
7mph
SSW
Mostly Clear
Humidity
87%
Feels like
35°F
Dew Point
37°F
2 AM
40°F
10%
8mph
WSW
Partly Cloudy
Humidity
88%
Feels like
34°F
Dew Point
36°F
3 AM
39°F
10%
9mph
W
Partly Cloudy
Humidity
89%
Feels like
33°F
Dew Point
36°F
4 AM
38°F
10%
8mph
WNW
Partly Cloudy
Humidity
91%
Feels like
32°F
Dew Point
36°F
5 AM
38°F
10%
8mph
NW
Mostly Cloudy
Humidity
92%
Feels like
32°F
Dew Point
36°F
6 AM
38°F
10%
7mph
NNW
Mostly Cloudy
Humidity
97%
Feels like
33°F
Dew Point
37°F
7 AM
39°F
10%
7mph
NNW
Cloudy
Humidity
95%
Feels like
34°F
Dew Point
38°F
7:17 AM
8 AM
41°F
10%
7mph
NW
Cloudy
Humidity
92%
Feels like
37°F
Dew Point
39°F
9 AM
44°F
10%
8mph
NW
Cloudy
Humidity
87%
Feels like
39°F
Dew Point
40°F
10 AM
46°F
10%
9mph
NW
Cloudy
Humidity
79%
Feels like
41°F
Dew Point
40°F
11 AM
47°F
10%
9mph
NNW
Mostly Cloudy
Humidity
74%
Feels like
43°F
Dew Point
39°F
12 PM
48°F
10%
10mph
NNW
Cloudy
Humidity
70%
Feels like
44°F
Dew Point
39°F
1 PM
49°F
10%
10mph
NNW
Cloudy
Humidity
67%
Feels like
45°F
Dew Point
38°F
2 PM
49°F
10%
11mph
NNW
Cloudy
Humidity
65%
Feels like
44°F
Dew Point
38°F
3 PM
48°F
10%
11mph
NNW
Cloudy
Humidity
65%
Feels like
44°F
Dew Point
37°F
4 PM
47°F
10%
10mph
NNW
Cloudy
Humidity
65%
Feels like
42°F
Dew Point
35°F
5 PM
44°F
10%
9mph
NNW
Mostly Cloudy
Humidity
67%
Feels like
39°F
Dew Point
34°F
5:41 PM
6 PM
42°F
10%
8mph
NNW
Mostly Cloudy
Humidity
68%
Feels like
37°F
Dew Point
32°F
7 PM
40°F
10%
8mph
NNW
Mostly Cloudy
Humidity
71%
Feels like
34°F
Dew Point
31°F
8 PM
38°F
10%
8mph
NNW
Cloudy
Humidity
72%
Feels like
32°F
Dew Point
30°F
9 PM
37°F
10%
8mph
NNW
Cloudy
Humidity
74%
Feels like
30°F
Dew Point
29°F
10 PM
35°F
10%
8mph
NNW
Mostly Cloudy
Humidity
76%
Feels like
29°F
Dew Point
28°F
11 PM
34°F
10%
8mph
NNW
Mostly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
28°F

Friday's Weather Outlook

Friday's Weather Outlook

A snow-filled clipper system is set to sweep through the Great Lakes, Ohio Valley, and Mid-Atlantic.

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image courtesy of Pixabay.com

All About Snow Squalls

A person in a pink coat and red mittens holding a snowball. (Image by Dmitriy Gutarev from Pixabay)

Cold Weather and Worsening Health Conditions

Windchill chart

Dangers of Wind Chills

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